TED Talks
Steven Strogatz: The science of sync
Mathematician Steven Strogatz shows how flocks of creatures (like birds, fireflies and fish) manage to synchronize and act as a unit -- when no one's giving orders. The powerful tendency extends into the realm of objects, too.
3Blue1Brown
All possible pythagorean triples, visualized
There are a few special right triangles many of us learn about in school, like the 3-4-5 triangle or the 5-12-13 triangle. Is there a way to understand all triplets of numbers (a, b, c) that satisfy a^2 + b^2 = c^2? There is! And it uses...
3Blue1Brown
The determinant: Essence of Linear Algebra - Part 6 of 15
The determinant has a very natural visual intuition, even though it's formula can make it seem more complicated than it really is.
TED Talks
Michael Moschen: Juggling as art ... and science
Michael Moschen puts on a quietly mesmerizing show of juggling. Don't think juggling is an art? You might just change your mind after watching Moschen in motion.
SciShow
How Do We Know the Age of the Universe?
What kinds of tools do astronomers use to calculate the age of the universe, and how can they determine the speed of its expansion?
TED Talks
TED: Why you should love statistics | Alan Smith
Think you're good at guessing stats? Guess again. Whether we consider ourselves math people or not, our ability to understand and work with numbers is terribly limited, says data visualization expert Alan Smith. In this delightful talk,...
TED-Ed
TED-ED: Group theory 101: How to play a Rubik's Cube like a piano - Michael Staff
Mathematics explains the workings of the universe, from particle physics to engineering and economics. Math is even closely related to music, and their common ground has something to do with a Rubik's Cube puzzle. Michael Staff explains...
3Blue1Brown
Hilbert's Curve: Is infinite math useful?
Drawing curves that fill all of space, and a philosophical take on why mathematics about infinite objects can still be useful in finite contexts.
TED Talks
Evan Grant: Making sound visible through cymatics
Evan Grant demonstrates the science and art of cymatics, a process for making soundwaves visible. Useful for analyzing complex sounds (like dolphin calls), it also makes complex and beautiful designs.
TED Talks
TED: 3 lessons on decision-making from a poker champion | Liv Boeree
Is it better to be lucky or good? Should we trust our gut feelings or rely on probabilities and careful analysis when making important decisions? In this quick talk, professional poker player Liv Boeree shares three strategies she's...
SciShow
Why Can't I Get Rid of This Cowlick?
You or someone you know may have struggled to get a cowlick to just stay down already, but you can take solace in the fact that these inconvenient hair tufts have a lot to teach us about the world around us.
Crash Course
The Scientific Revolution: Crash Course History of Science
So, what exactly is a scientific revolution? And are they more than just moments in time Historians use to mark the beginning and ending of things through time? In this episode we'll look into some ideas and people named Nick and how...
3Blue1Brown
Higher order derivatives | Essence of calculus, chapter 10
What is the second derivative? Third derivative? How do you think about these?
SciShow
How Pocket Calculators Changed Electronics Forever
We don't think of pocket calculators as being all that special these days, but in reality their rise coincided with many of the innovations we take for granted today.
TED-Ed
Can you solve the fantasy election riddle? | Dennis E. Shasha
After much debate, the realm has decided dragon jousting may not be the best way to choose its leaders, and has begun transitioning to democracy. Your company was hired to survey the citizens of the land and predict which candidate will...
SciShow
3 Ways Pi Can Explain Practically Everything
What’s irrational and never ends? Pi! Hank explains how we need pi to explain some of the most basic but most important principles of the universe, in honor of Pi Day.
TED-Ed
TED-Ed: Check your intuition: The birthday problem - David Knuffke
Imagine a group of people. How big do you think the group would have to be before there's more than a 50% chance that two people in the group have the same birthday? The answer is - probably lower than you think. David Knuffke explains...
SciShow Kids
Happy Birthday, Sir Isaac Newton!
There's a birthday party at the fort, for one of history's most important scientists, Isaac Newton!
3Blue1Brown
Limits, L'Hôpital's rule, and epsilon delta definitions | Essence of calculus, chapter 7
What are limits? How are they defined? How are they used to define the derivative? What is L'Hospital's rule?
SciShow
This Problem Could Break Cryptography
What if, no matter how strong your password was, a hacker could crack it just as easily as you can type it? In fact, what if all sorts of puzzles we thought were hard turned out to be easy? Mathematicians call this problem P vs. NP, it...
TED-Ed
TED-Ed: Can you solve the Ragnarok riddle? | Dan Finkel
Ragnarok: The fabled end of the world, when giants, monsters, and Norse gods battle for the future. The gods were winning until the great serpent Jörmungandr emerged. It swallowed Valhalla and contorted itself across the land. Odin has...
TED-Ed
TED-Ed: Can you solve the honeybee riddle? | Dan Finkel
You're a biologist on a mission to keep the rare honeybee Apis Trifecta from going extinct. The last 60 bees of the species are in your terrarium. You've already constructed wire frames of the appropriate size and shape. Now you need to...
TED-Ed
TED-Ed: Can you solve the rogue submarine riddle? Difficulty level: Master | Alex Rosenthal
Smuggling yourself aboard the rogue submarine was the easy part. Hacking into the nuclear missile launch override — a little harder. And you've got a problem: you don't have the override code. You know you need the same numbers that were...
TED Talks
Laura Snyder: The Philosophical Breakfast Club
In 1812, four men at Cambridge University met for breakfast. What began as an impassioned meal grew into a new scientific revolution, in which these men -- who called themselves “natural philosophers” until they later coined “scientist”...